Influence of weather on daily hospital admissions for acute myocardial infarction
(from the Korea Acute Myocardial Infarction Registry)
- Author(s)
- Jang Hoon Lee; Shung Chull Chae; Dong Heon Yang; Hun Sik Park; Yongkeun Cho; Jae-Eun Jun; Wee-Hyun Park; Sin Kam; Won Kee Lee; Young Jo Kim; Kee Sik Kim; Seung Ho Hur; Myung Ho Jeong; other Korea Acute Myocardial Infarction Registry Investigators
- Keimyung Author(s)
- Hur, Seung Ho
- Department
- Dept. of Internal Medicine (내과학)
- Journal Title
- International Journal of Cardiology
- Issued Date
- 2010
- Volume
- 144
- Issue
- 1
- Abstract
- Background:We investigated the association between meteorological parameters and hospital admissions for
acute myocardial infarction (AMI) in a temperate and continental climate, Korea.
Methods: From the Korean AMI Registry, 2136 Koreans admitted for AMI in four university hospitals in Daegu
city from November 2005 to October 2007 were included in this study. We calculated the incidences of AMI
per season, per month, and per day-of-week. The meteorological parameters, including air temperature,
relative humidity, wind speed, sunshine duration, and a thermo-hydrological index, were provided by the
database of the Korea Meteorological Administration. Generalized additive Poisson models were used.
Results: Seasonal variations were noted for AMI, characterized by winter peak and summer trough (pb0.001).
Monthly occurrence rate of AMI was highest in January and lowest in October (pb0.001). There were significant
associations between hospital admissions and meteorological parameters including air temperature, relative
humidity, and sunshineduration after controlling for effects of day-of-week, season, and holidays (pb0.05). These
associations were stronger in females and the younger age (b65 years) (pb0.01).
Conclusions: The incidence of AMI shows seasonal and monthly variations. Meteorological parameters have a
significant influence on the occurrence of AMI, particularly in females and the younger age.
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